Home / 26,252.96-39,387.26-12,221.28

Finding the Fourth Proportional to 26,252.96, 39,387.26 and 12,221.28

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Solution

The fourth proportional to 26,252.96, 39,387.26 and 12,221.28 is: 18,335.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,252.96 : 39,387.26 = 12,221.28 : x
  2. Step 2: Convert to fraction form
    26,252.96/39,387.26 = 12,221.28/x
  3. Step 3: Cross multiply
    26,252.96x = 39,387.26 × 12,221.28
  4. Step 4: Simplify right side
    26,252.96x = 481,362,763.45
  5. Step 5: Solve for x
    x = 481,362,763.45/26,252.96
  6. Step 6: Final answer
    x = 18,335.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.